john here. talk about your organization and what's happened over the past 25 years. >> it started with explosion of homeless people in -- not a literal explosion but homeless people in new york city in the late '80s and the doctor and i met because i was trying to get some money from usa for africa, the michael jackson video that i was in to give it to a homeless shelter on the west side of manhattan. and his interest is children's health care, pediatrics and we went around the city and saw the single room occupancy hotels and saw the situation of what was going on with homelessness and how it affected children. it was honestly like the third world. it was just mortifying. and so we came up with this idea to have a mobile medical clinic that would go to the various sites and provide health care with a doctor and a nurse on board and a computer records and we were associated with a hospital in new york and that's how we began. we started in manhattan and then we went to a few other boroughs and n